PSA: Valentine's Day is next week. Whether or not you celebrate the occasion, this infographic from happiness training app Happify could help you improve your romantic relationship. It sums up several important findings from studies on what makes couples happy.

Happiness is both a skill you can control and a habit you can develop. Happify, created by…
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The graphic reveals, for example, that happy couples have five positive interactions for every negative one, versus the 0.8 positive interactions for every negative one that divorced couples go through. I found most interesting this tidbit:

When it comes to strengthening your relationship, studies show the most crucial factor is how you celebrate your partner's good news. In one study, people who did this 3x a day for 1 week increased their happiness and felt less depressed afterwards.

Your mileage might vary of course, but if having a happy marriage (or long-term relationship) is worth an additional $105,000 a year in terms of life satisfaction, it's all good stuff to know.